20111320020133 has 2 divisors, whose sum is σ = 20111320020134. Its totient is φ = 20111320020132.

The previous prime is 20111320020109. The next prime is 20111320020137. The reversal of 20111320020133 is 33102002311102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16239110729284 + 3872209290849 = 4029778^2 + 1967793^2 .

It is a cyclic number.

It is not a de Polignac number, because 20111320020133 - 2¹³ = 20111320011941 is a prime.

It is a super-3 number, since 3×20111320020133³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20111320020133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20111320020137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055660010066 + 10055660010067.

It is an arithmetic number, because the mean of its divisors is an integer number (10055660010067).

Almost surely, 2^{20111320020133} is an apocalyptic number.

It is an amenable number.

20111320020133 is a deficient number, since it is larger than the sum of its proper divisors (1).

20111320020133 is an equidigital number, since it uses as much as digits as its factorization.

20111320020133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20111320020133 its reverse (33102002311102), we get a palindrome (53213322331235).

The spelling of 20111320020133 in words is "twenty trillion, one hundred eleven billion, three hundred twenty million, twenty thousand, one hundred thirty-three".